/* =========================================================
   Probox — estilos
   ========================================================= */
:root{
  --ink:#070609; --ink-2:#0e0b13; --paper:#f5f2f7; --muted:#aaa3b1;
  --purple:#a51eff; --violet:#6c13ff; --lilac:#c46bff;
  --line:rgba(255,255,255,.14); --glass:rgba(24,19,31,.55);
  --container:1180px; --gutter:clamp(20px,4vw,58px);
  --page-pad:max(var(--gutter),calc((100vw - var(--container))/2));
  --grad:linear-gradient(90deg,var(--lilac),var(--purple) 45%,var(--violet));
  --ease:cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--ink);scroll-behavior:smooth}
body{background:var(--ink);color:var(--paper);font-family:Poppins,system-ui,sans-serif;overflow-x:hidden;-webkit-font-smoothing:antialiased;line-height:1.5}
body.is-intro{overflow:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--purple);color:#fff}

.wrap{padding-inline:var(--page-pad)}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;padding-right:.06em}
em.grad{font-style:italic}

/* fundo: grade + brilhos */
.bg-grid{position:fixed;inset:0;z-index:-2;pointer-events:none;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:64px 64px;opacity:.12;mask-image:radial-gradient(ellipse at 50% 40%,#000 20%,transparent 75%)}
.glow{position:absolute;z-index:-1;border-radius:50%;pointer-events:none;background:radial-gradient(closest-side,rgba(165,30,255,.32),rgba(108,19,255,.1) 55%,transparent);filter:blur(10px)}

/* rótulos e títulos */
.label{display:flex;align-items:center;gap:14px;font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin-bottom:22px}
.label::before{content:"";width:44px;height:1px;background:var(--purple)}
.label b{font-weight:400;color:var(--purple)}
.h2{font-size:clamp(2rem,4.6vw,4rem);line-height:1.04;font-weight:700;letter-spacing:-.035em}
.h2 em{display:block}
.lead{color:var(--muted);font-size:clamp(.98rem,1.2vw,1.1rem);line-height:1.65;max-width:52ch}
section{position:relative;isolation:isolate}
.sec{padding-block:clamp(90px,12vw,160px)}

/* botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 26px;border-radius:999px;font-weight:600;font-size:.95rem;transition:transform .25s var(--ease),box-shadow .25s,background .25s,border-color .25s;white-space:nowrap}
.btn-primary{background:var(--paper);color:var(--ink)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 44px -12px var(--purple)}
.btn-ghost{border:1px solid rgba(255,255,255,.35)}
.btn-ghost:hover{border-color:var(--purple);background:rgba(165,30,255,.1)}
.btn svg{width:18px;height:18px}

/* ---------- abertura ---------- */
.intro{position:fixed;inset:0;z-index:100;display:grid;place-items:center;pointer-events:auto}
.intro .half{position:absolute;left:0;right:0;height:50.5%;background:var(--ink)}
.intro .half-a{top:0}
.intro .half-b{bottom:0}
.intro .half::after{content:"";position:absolute;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--purple),transparent);opacity:0;transition:opacity .25s}
.intro.done .half::after{opacity:1}
.intro .half-a::after{bottom:0}
.intro .half-b::after{top:0}
.intro-glow{position:absolute;width:70vmin;height:70vmin;border-radius:50%;background:radial-gradient(closest-side,rgba(165,30,255,.45),rgba(108,19,255,.12) 55%,transparent);opacity:0}
.intro-logo{position:relative;width:min(560px,82vw)}
.intro-logo svg{width:100%;height:auto;overflow:visible}
.intro-skip{position:absolute;bottom:28px;right:var(--gutter);font-size:.72rem;letter-spacing:.2em;color:var(--muted);text-transform:uppercase}
.intro.done{pointer-events:none}

/* ---------- header ---------- */
.top{position:fixed;inset:0 0 auto;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:14px var(--page-pad);transition:transform .45s var(--ease),background .3s}
.top.scrolled{background:linear-gradient(rgba(7,6,9,.92),rgba(7,6,9,.6));backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.top.hide{transform:translateY(-100%)}
.brand img{height:clamp(60px,6vw,78px);width:auto;margin:-10px 0 -10px -16px}
.nav{display:flex;align-items:center;gap:34px;font-size:.92rem}
.nav a:not(.btn){color:#d9d4de;transition:color .2s}
.nav a:not(.btn):hover{color:#fff}
.nav .btn{padding:11px 22px;font-weight:500}
.menu-btn{display:none;width:44px;height:44px;place-items:center}
.menu-btn span{display:block;width:24px;height:2px;background:#fff;position:relative;transition:transform .3s}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:24px;height:2px;background:#fff;transition:transform .3s}
.menu-btn span::before{top:-7px}
.menu-btn span::after{top:7px}

/* ---------- hero ---------- */
.hero{min-height:100svh;display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:clamp(16px,3vw,48px);padding:120px var(--page-pad) 90px;overflow:hidden}
.hero .glow{width:900px;height:900px;right:-240px;top:50%;translate:0 -50%}
.eyebrow{display:flex;align-items:center;gap:14px;font-size:.8rem;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);margin-bottom:24px}
.eyebrow::before{content:"";width:44px;height:2px;background:var(--purple)}
.hero h1{font-size:clamp(2.3rem,4.5vw,4rem);line-height:1.04;font-weight:700;letter-spacing:-.035em}
.hero h1 .line{display:block;overflow:hidden;padding-bottom:.04em}
.hero h1 .line>span{display:inline-block}
.hero .lead{margin-top:24px;max-width:42ch}
.ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.scroll-hint{position:absolute;left:var(--page-pad);bottom:28px;display:flex;align-items:center;gap:14px;font-size:.7rem;letter-spacing:.22em;color:var(--muted)}
.scroll-hint::before{content:"";width:44px;height:1px;background:var(--purple)}

.stage{position:relative;width:100%;max-width:560px;aspect-ratio:1;justify-self:center}
.stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.stage .shadow{position:absolute;left:24%;right:24%;bottom:6%;height:9%;border-radius:50%;background:radial-gradient(closest-side,rgba(165,30,255,.6),transparent);filter:blur(16px);transition:transform .5s,opacity .5s;opacity:.8}
.stage.land .shadow{opacity:1;transform:scaleX(1.15)}
.stage .fallback{position:absolute;inset:14%;width:72%;display:none}
.stage.no-webgl .fallback{display:block}
.card3d{position:absolute;z-index:2;min-width:120px;padding:12px 16px 14px;border:1px solid var(--line);border-radius:14px;background:rgba(30,24,38,.45);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);opacity:.35;transform:translateY(10px) scale(.94);transition:opacity .5s,transform .6s cubic-bezier(.2,.9,.25,1.3),border-color .5s,box-shadow .5s}
.card3d small{display:block;font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:#d9d4de}
.card3d b{display:block;margin-top:2px;font-size:1.6rem;font-weight:600;line-height:1}
.card3d.on{opacity:1;transform:none;border-color:rgba(165,30,255,.8);box-shadow:0 0 0 1px rgba(165,30,255,.2),0 18px 50px -14px rgba(165,30,255,.8)}
.c1{left:2%;top:12%}
.c2{right:0;top:6%}
.c3{right:2%;bottom:18%}

/* ---------- marcas ---------- */
.brands{padding-block:clamp(50px,7vw,90px) 0}
.brands .label{justify-content:center}
.brands .label::before{display:none}
.marquee{position:relative;overflow:hidden;border-block:1px solid var(--line);padding-block:clamp(28px,4vw,46px);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-track{display:flex;align-items:center;gap:clamp(56px,8vw,120px);width:max-content;animation:marq 32s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes marq{to{transform:translateX(-50%)}}
.logo-word{color:#fff;opacity:.62;transition:opacity .3s;white-space:nowrap;line-height:1}
.logo-word:hover{opacity:1}
.lw-fightfit{font-weight:800;font-style:italic;font-size:2rem;letter-spacing:-.02em}
.lw-pbkids{font-weight:800;font-size:1.5rem;line-height:.9;text-align:center;border:3px solid #fff;border-radius:14px;padding:6px 10px}
.lw-round{font-weight:500;font-size:.85rem;letter-spacing:.3em;border:2px solid #fff;border-radius:50%;width:92px;height:92px;display:grid;place-items:center;text-align:center;line-height:1.3}
.lw-hzt{font-weight:800;font-size:2.4rem;letter-spacing:.06em}
.lw-tabata{font-family:Georgia,"Times New Roman",serif;font-size:1.7rem;line-height:1;text-align:center;letter-spacing:.02em}

/* ---------- sobre ---------- */
.about{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(40px,7vw,110px);align-items:center}
.about .glow{width:700px;height:700px;left:-200px;top:0}
.portrait{position:relative;max-width:440px;justify-self:center;width:100%}
.portrait .frame{position:relative;border-radius:26px;padding:10px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.03);transform-style:preserve-3d}
.portrait .frame img{border-radius:18px;width:100%;aspect-ratio:4/5;object-fit:cover;object-position:60% 20%}
.portrait .badge{position:absolute;right:-26px;bottom:34px;padding:10px 16px;border-radius:10px;border:1px solid var(--line);background:rgba(30,24,38,.7);backdrop-filter:blur(10px);font-size:.85rem;letter-spacing:.06em;transform:translateZ(60px)}
.portrait .badge b{font-weight:600}
.portrait .outline-cube{position:absolute;right:-34%;top:12%;width:62%;opacity:.55;z-index:-1}
.about .h2{font-size:clamp(1.9rem,3.6vw,3.2rem)}
.about .lead+.lead{margin-top:18px}

.words{margin-top:clamp(70px,9vw,120px);overflow:hidden;display:grid;gap:6px}
.words-row{display:flex;gap:28px;white-space:nowrap;font-weight:700;font-size:clamp(3rem,8vw,7.4rem);line-height:1;letter-spacing:-.01em;color:transparent;-webkit-text-stroke:1.2px rgba(245,242,247,.55);width:max-content}
.words-row span.star{-webkit-text-stroke:0;color:rgba(245,242,247,.55);font-weight:300}

/* ---------- serviços ---------- */
.services-head{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:end;margin-bottom:clamp(40px,5vw,64px)}
.services-head .lead{font-size:clamp(1rem,1.5vw,1.3rem);max-width:none}
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;perspective:1200px}
.svc{position:relative;display:flex;flex-direction:column;padding:26px 26px 30px;min-height:430px;border-radius:20px;border:1px solid rgba(255,255,255,.18);background:linear-gradient(160deg,rgba(40,36,46,.55),rgba(18,16,22,.7));backdrop-filter:blur(8px);transform-style:preserve-3d;transition:transform .5s var(--ease),border-color .4s,box-shadow .4s;will-change:transform}
.svc:hover{border-color:rgba(165,30,255,.85);box-shadow:0 0 0 1px rgba(165,30,255,.25),0 30px 80px -30px rgba(165,30,255,.9)}
.svc .num{font-size:3.2rem;font-weight:600;line-height:1;color:rgba(255,255,255,.22);transform:translateZ(20px)}
.svc .arrow{position:absolute;top:24px;right:24px;width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.4);display:grid;place-items:center;transition:background .3s,border-color .3s;transform:translateZ(30px)}
.svc:hover .arrow{background:var(--purple);border-color:var(--purple)}
.svc .icon{width:72%;margin:6px auto 18px;aspect-ratio:1;transform:translateZ(70px);animation:float 6s ease-in-out infinite}
.svc:nth-child(2) .icon{animation-delay:-1.5s}
.svc:nth-child(3) .icon{animation-delay:-3s}
.svc:nth-child(4) .icon{animation-delay:-4.5s}
.svc .icon img{width:100%;height:100%;object-fit:contain;mask-image:radial-gradient(closest-side,#000 72%,transparent);-webkit-mask-image:radial-gradient(closest-side,#000 72%,transparent);mix-blend-mode:lighten}
@keyframes float{50%{translate:0 -10px}}
.svc h3{font-size:1.35rem;font-weight:600;margin-top:auto;transform:translateZ(40px)}
.svc p{color:var(--muted);font-size:.95rem;margin-top:8px;transform:translateZ(30px)}

/* ---------- case ---------- */
.case{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(30px,5vw,80px);align-items:center}
.case .glow{width:800px;height:800px;left:-160px;top:-10%}
.phones{position:relative;height:clamp(420px,46vw,600px);perspective:1400px;transform-style:preserve-3d}
.phone{position:absolute;top:50%;left:50%;width:clamp(170px,17vw,240px);aspect-ratio:9/19.3;margin:0;translate:-50% -50%;border-radius:34px;padding:9px;background:linear-gradient(145deg,#4a3b63,#1b1524 40%,#2c2240);box-shadow:0 0 0 1px rgba(255,255,255,.12) inset,0 40px 80px -30px rgba(0,0,0,.9),0 0 60px -20px rgba(165,30,255,.6);transform-style:preserve-3d}
.phone .screen{position:relative;width:100%;height:100%;border-radius:26px;overflow:hidden;background:#000;display:flex;flex-direction:column}
.phone .screen::before{content:"";position:absolute;top:8px;left:50%;translate:-50% 0;width:34%;height:18px;border-radius:12px;background:#000;z-index:2}
.phone .ig-top{padding:30px 12px 8px;font-size:.62rem;display:flex;align-items:center;gap:6px;color:#fff;background:#000}
.phone .ig-top i{width:18px;height:18px;border-radius:50%;background:linear-gradient(45deg,#ff7a00,#e1306c);display:inline-block}
.phone .screen img{width:100%;aspect-ratio:4/5;object-fit:cover}
.phone .ig-bot{flex:1;background:#000;padding:8px 12px;font-size:.55rem;color:#bbb}
.phone .ig-bot .bar{height:6px;border-radius:3px;background:#222;margin-top:6px}
.phone .ig-bot .bar.s{width:60%}
.phone.p2{z-index:3}
.case h2{font-size:clamp(3rem,6.5vw,6rem);font-weight:700;letter-spacing:-.04em;line-height:1}
.case .sub{margin-top:12px;color:#d9d4de;font-size:clamp(1rem,1.3vw,1.15rem)}
.stats{margin-top:30px;display:grid;gap:18px}
.stat{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.stat .n{font-size:clamp(2.6rem,5vw,4.4rem);font-weight:700;line-height:1;letter-spacing:-.03em;background:linear-gradient(90deg,#fff,#c9a6ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .t b{display:block;font-size:clamp(1.1rem,2vw,1.7rem);font-weight:700;text-transform:uppercase;letter-spacing:.01em;line-height:1.1;background:linear-gradient(90deg,#fff,#c9a6ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .t span{color:var(--muted);font-size:.9rem}
.case .lead{margin-top:28px}
.case .btn{margin-top:28px}
.posts-strip{grid-column:1/-1;overflow:hidden;margin-top:clamp(20px,3vw,40px);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.posts-track{display:flex;gap:14px;width:max-content;animation:marq 40s linear infinite}
.posts-track img{width:150px;aspect-ratio:4/5;object-fit:cover;border-radius:12px;border:1px solid var(--line)}

/* ---------- nosso jeito ---------- */
.way{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}
.way .h2{font-size:clamp(2.6rem,6vw,5.4rem)}
.way .lead{margin-top:26px}
.cube-wrap{position:relative;height:clamp(300px,34vw,440px);perspective:1100px;display:grid;place-items:center}
.cube-wrap .glow{width:460px;height:460px;left:50%;top:50%;translate:-50% -50%}
.wire{position:relative;width:clamp(150px,16vw,220px);aspect-ratio:1;transform-style:preserve-3d;animation:spin 18s linear infinite}
.wire .f{position:absolute;inset:0;border:1.5px solid rgba(196,107,255,.75);border-radius:18px;background:rgba(165,30,255,.05);box-shadow:0 0 30px -6px rgba(165,30,255,.55) inset}
.wire .core{position:absolute;inset:32%;transform-style:preserve-3d;animation:spin 7s linear infinite reverse}
.wire .core .f{border-radius:8px;background:linear-gradient(135deg,#e9e6ee,#9d97a8);border:0;box-shadow:none}
.wire .core .f:nth-child(1){background:linear-gradient(135deg,#f3f1f6,#c9c4d1)}
.wire .core .f:nth-child(3){background:linear-gradient(135deg,#a51eff,#6c13ff)}
@keyframes spin{from{transform:rotateX(-24deg) rotateY(0)}to{transform:rotateX(-24deg) rotateY(360deg)}}
.pillars{grid-column:1/-1;margin-top:clamp(40px,5vw,70px);display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:20px;background:rgba(20,16,26,.55);backdrop-filter:blur(10px)}
.pillar{padding:clamp(24px,3vw,40px)}
.pillar+.pillar{border-left:1px solid var(--line)}
.pillar .k{font-weight:700;color:var(--purple);font-size:.95rem}
.pillar:first-child .k{color:#fff}
.pillar h3{margin-top:10px;font-size:clamp(1.25rem,2vw,1.75rem);font-weight:700;line-height:1.15}
.pillar p{margin-top:8px;color:var(--muted);font-size:clamp(1rem,1.3vw,1.2rem)}

/* ---------- processo ---------- */
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:clamp(50px,6vw,80px)}
.steps .rail{position:absolute;left:24px;right:0;top:118px;height:2px;background:rgba(255,255,255,.12)}
.steps .rail i{position:absolute;inset:0;background:linear-gradient(90deg,var(--purple),var(--lilac));transform-origin:left;transform:scaleX(0);box-shadow:0 0 18px var(--purple)}
.step .n{font-size:clamp(2.6rem,4.6vw,4.2rem);font-weight:700;line-height:1;color:#6d6874;transition:color .5s}
.mini{position:relative;width:46px;height:46px;margin:22px 0 26px;perspective:400px}
.mini .c{position:absolute;inset:0;transform-style:preserve-3d;animation:spin 8s linear infinite}
.mini .f{position:absolute;inset:0;border-radius:7px;background:#6d6874;border:1px solid rgba(255,255,255,.2);transition:background .5s,box-shadow .5s}
.f.ft{transform:rotateX(90deg) translateZ(23px)}
.f.fb{transform:rotateX(-90deg) translateZ(23px)}
.f.fl{transform:rotateY(-90deg) translateZ(23px)}
.f.fr{transform:rotateY(90deg) translateZ(23px)}
.f.ff{transform:translateZ(23px)}
.f.fk{transform:rotateY(180deg) translateZ(23px)}
.wire .f.ft{transform:rotateX(90deg) translateZ(var(--h))}
.wire .f.fb{transform:rotateX(-90deg) translateZ(var(--h))}
.wire .f.fl{transform:rotateY(-90deg) translateZ(var(--h))}
.wire .f.fr{transform:rotateY(90deg) translateZ(var(--h))}
.wire .f.ff{transform:translateZ(var(--h))}
.wire .f.fk{transform:rotateY(180deg) translateZ(var(--h))}
.step h3{font-size:1.5rem;font-weight:700;color:#8b8592;transition:color .5s}
.step p{color:#77717e;margin-top:8px;max-width:26ch;transition:color .5s}
.step.on .n,.step.on h3{color:#fff}
.step.on p{color:var(--muted)}
.step.on .mini .f{background:linear-gradient(135deg,#c46bff,#6c13ff);box-shadow:0 0 22px rgba(165,30,255,.7)}

/* ---------- depoimentos ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:50px}
.quote{padding:34px;border-radius:20px;border:1px solid var(--line);background:rgba(30,24,38,.5)}
.quote .mark{font-size:4rem;line-height:.6;color:var(--purple);font-weight:700}
.quote p{margin-top:18px;font-size:1.05rem}
.quote footer{margin-top:24px;font-size:.9rem;color:var(--muted)}
.quote footer b{display:block;color:#fff}

/* ---------- CTA ---------- */
.cta{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:30px;min-height:100svh;overflow:hidden}
.cta .glow{width:900px;height:900px;right:-300px;top:50%;translate:0 -50%}
.cta .h2{font-size:clamp(2.1rem,4vw,3.8rem)}
.cta .h2 em{display:inline}
.cta .lead{margin-top:24px}
.cta .btn{margin-top:34px;font-size:1.05rem;padding:18px 32px}
.who{display:flex;align-items:center;gap:14px;margin-top:28px}
.who img{width:64px;height:64px;border-radius:50%;border:2px solid var(--purple);object-fit:cover}
.who .tag{display:inline-block;padding:4px 12px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.06);font-size:.88rem}
.who .tag b{font-weight:600}
.who p{color:var(--muted);font-size:.86rem;margin-top:4px}
.stage-cta{position:relative;aspect-ratio:1;width:100%;max-width:620px;justify-self:center}
.stage-cta canvas{position:absolute;inset:0;width:100%;height:100%}

/* ---------- rodapé ---------- */
.footer{padding-top:clamp(40px,6vw,80px);overflow:hidden}
.footer .glow{width:700px;height:700px;right:-200px;top:-200px}
.mega{display:block;width:100%;height:auto;margin-bottom:clamp(40px,6vw,80px)}
.mega text{font-family:Poppins,sans-serif;font-weight:800;fill:none;stroke:url(#fgrad);stroke-width:2.2}
.foot{display:grid;grid-template-columns:1.2fr 1fr 1.2fr;gap:40px;padding-bottom:50px}
.foot .brand img{margin-left:-16px}
.foot p{color:var(--muted);max-width:28ch;margin-top:8px}
.foot h4{font-weight:400;font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;color:#d9d4de;margin-bottom:16px}
.foot ul{list-style:none;display:grid;gap:12px}
.foot li a{display:flex;justify-content:space-between;align-items:center;gap:20px;transition:color .2s}
.foot li a:hover{color:var(--lilac)}
.legal{display:flex;justify-content:space-between;gap:20px;padding-block:26px;border-top:1px solid var(--line);color:var(--muted);font-size:.86rem}

/* ---------- responsivo ---------- */
@media (max-width:1024px){
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .svc{min-height:380px}
  .case{grid-template-columns:1fr}
  .phones{order:2}
}
@media (max-width:860px){
  .menu-btn{display:grid;z-index:2}
  .nav{position:fixed;inset:0;flex-direction:column;justify-content:center;gap:28px;font-size:1.4rem;background:rgba(7,6,9,.97);opacity:0;pointer-events:none;transition:opacity .35s}
  .nav.open{opacity:1;pointer-events:auto}
  .top.menu-open .menu-btn span{background:transparent}
  .top.menu-open .menu-btn span::before{transform:translateY(7px) rotate(45deg)}
  .top.menu-open .menu-btn span::after{transform:translateY(-7px) rotate(-45deg)}
  .hero{grid-template-columns:1fr;padding-top:100px;min-height:auto;gap:0}
  .stage{order:-1;max-width:400px;margin-bottom:-10px}
  .card3d{min-width:98px;padding:9px 12px 11px}
  .card3d b{font-size:1.25rem}
  .hero .btn{width:100%}
  .scroll-hint{display:none}
  .about,.services-head,.way,.cta{grid-template-columns:1fr}
  .portrait{max-width:360px}
  .portrait .badge{right:-8px}
  .svc-grid{grid-template-columns:1fr}
  .svc{min-height:0}
  .svc .icon{width:52%}
  .cube-wrap{order:-1;height:280px}
  .pillars{grid-template-columns:1fr}
  .pillar+.pillar{border-left:0;border-top:1px solid var(--line)}
  .steps{grid-template-columns:1fr;gap:34px;padding-left:70px}
  .steps .rail{left:22px;top:0;bottom:0;right:auto;width:2px;height:auto}
  .steps .rail i{transform-origin:top;transform:scaleY(0)}
  .step{position:relative}
  .step .mini{position:absolute;left:-70px;top:4px;margin:0}
  .quotes{grid-template-columns:1fr}
  .stage-cta{order:-1;max-width:420px}
  .cta{min-height:auto;padding-top:60px}
  .cta .btn{width:100%;white-space:normal}
  .foot{grid-template-columns:1fr}
  .legal{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}